Finally here, Google Voice for iPhone

Apple relents and allows Google Voice

If you are a Google lover and an iPhone user  , this might be your day. Apple has decided to allow Google Voice into the App Store and its about time get it.

The Google Voice application allows you to route your calls through a phone number of your choosing, transcribes voice mails into text and gives you some pretty cheap international calling rates on top.
Here's the full list of Google Voice features

Loosen up the AT&T shackles with FREE SMS through Google Voice also.
Get Google Voice in the Apple App Market